ShareVault - ShareVault provides Virtual Data Rooms for secure document sharing during due diligence and other business critical processes.
Microsoft 365 - Boost your productivity with reliable access anywhere with services like email, calendar, file sharing, meetings, instant messaging, and Office Online
Drooms - Virtual data room software
Apache OpenOffice - Apache OpenOffice is an open source, office document productivity suite.
Dropbox DocSend - Dropbox DocSend is a secure file and document sharing solution that gives users analytics and control of document in their critical workflows. Key features include sending documents as secure links, eSignature, and customizable virtual data rooms.
SSuite Office - SSuite Office is called to be one of the most accomplished software developers for both beginners and professionals alike.